#C63528#C63528

#C63528 is a mid, vivid red. Relative luminance 0.147; OKLCH L 54.9% C 0.184 H 29.4°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#C63528
RGB	rgb(198, 53, 40)
HSL	hsl(5, 66%, 47%)
HSV	hsv(5, 80%, 78%)
CMYK	cmyk(0%, 73.2%, 79.8%, 22.4%)
CIE-LAB	lab(45.23, 56.20, 41.79)
CIE-LCH	lch(45.23, 70.03, 36.63°)
OKLab	oklab(54.95% 0.1602 0.0904)
OKLCH	oklch(54.95% 0.184 29.4)
XYZ	xyz(24.9478, 14.7091, 3.5326)
Luminance	0.1470 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63528 #28B9C6

analogous

#C6286A #C63528 #C68428

triadic

#C63528 #28C635 #3528C6

tetradic

#C63528 #6AC628 #28B9C6 #8428C6

square

#C63528 #6AC628 #28B9C6 #8428C6

split-complementary

#C63528 #28C684 #286AC6

monochromatic

#601A13 #93271E #C63528 #DC5B50 #E68B83

Accessibility & contrast

On white

5.33

#C63528 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#C63528 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63528

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63528	#FFFFFF	#000000	##FFFFFF
##C63528	1.00	5.33	3.94	5.33
#FFFFFF	5.33	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615725

Deuteranopia (green-blind)

#857721

Tritanopia (blue-blind)

#DA0034

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c63528;
/* rgb */ color: rgb(198, 53, 40);
/* oklch */ color: oklch(54.9% 0.184 29.4);

Tailwind

colors: {
  custom: {
    50: '#e17763',
    500: '#c63528',
    950: '#000000',
  },
}

SCSS

$custom: #c63528;
$custom-light: #e17763;
$custom-dark: #000000;

JSON

{
  "hex": "#c63528",
  "rgb": {
    "r": 198,
    "g": 53,
    "b": 40
  },
  "hsl": {
    "h": 4.937,
    "s": 66.387,
    "l": 46.667
  },
  "oklch": {
    "l": 0.54946,
    "c": 0.18392,
    "h": 29.4
  },
  "luminance": 0.14705
}

Semantic roles & 50–950 ramp

primary

#C63528

secondary

#7BC8CF

accent

#DBE93E

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170905

muted

#857B7A

Preview Lab

Preview with #C63528

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →